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- W757898893 abstract "In this study, novel structured thin ultrasonic rotary motor has been proposed. Ultrasonic motors are based on an elliptical motion on the surface of elastic body. Thin brass plate was used as a cross shaped vibrator and eight ceramic plates were attached on upper side and bottom side of the brass plate. From the thin stator, elliptical displacements of the four contact tips were obtained. To find the optimal size of the stator, motions of the motors were simulated using ATILA by changing length, width and thickness of the ceramics. The stators had commonly three resonance peaks and contact tips of the stator moved on tangential or normal trajectories at these resonance peaks. The maximum displacements at the resonance peaks were compared. As results, maximum displacements of the contact tips were obtained at the length of 16 mm, width of 6 mm and thickness of 0.4 mm. Changes of the resonance frequencies were inversely proportional to the length of ceramic and proportional to the width of ceramic. The motor was fabricated by using the designed stator. And, the characteristics of the motor were compared with the simulated results. When the motor was fabricated with these results, speed fo 935 rpm was obtained by input voltage of 25 Vrms at 93.5 kHz." @default.
- W757898893 created "2016-06-24" @default.
- W757898893 date "2008-04-01" @default.
- W757898893 modified "2023-09-26" @default.
- W757898893 title "Optimal Design of Thin Type Ultrasonic Motor" @default.
- W757898893 cites W2017563458 @default.
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- W757898893 doi "https://doi.org/10.4313/jkem.2008.21.4.335" @default.
- W757898893 hasPublicationYear "2008" @default.
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